<!DOCTYPE html>
 	<html lang="en">
 	<head>
 		<meta charset="UTF-8">
 		<title>Document</title>
 	<style type="text/css">
 		div
 		{
 		background-color: #FFE4C4;
 	    padding-top:50px;
 	    margin:0 auto ;
 	    width: 950px;
 	    height: 950px; 
 	    text-align: center;
 	   line-height: 30px;
 	    }
 	    p 
 	    {font-size:20px;}
 	</style>
 	
 	</head>
 	
 	<body>
 	
 	<div>
 	<form>
 	<p>用户名</p>
 	<input type="text" name="firstname">
 	
 	<p>密码</p>
 	<input type="text" name="username">
 	<p>
 	<input type="submit" value="提交">
 	</p>
 	</form>	
 	
 	</div>
 	
 	
 	</body>
 	</html>